7.Some people feel easy and comfortable to be served by others but when they are asked to serve others ______, they are unwilling or even hate to do so.
| A．in turn | B．in their turns | C．in their turn | D．by their turn |
—It is strange that Dave didn’t respond________any of my emails.
—Something must have happened to him.
| A．on | B．with |
| C．for | D．to |
Too much drinking will do________to your health；you should take the doctor’s advice.
| A．harm | B． trouble |
| C．damage | D．hurt |
—How long have you________？
—It is about ten years since we________.
| A．married；married | B．been married；were married |
C．got married；got married |
D．been married；got married |
Tom is ___________ that he can’t go to school.
| A．so a young boy | B．a so young boy | C．a such young boy | D．such a young boy |
With the development of science and technology，there is no doubt_____Chinese
astronauts will land on the moon in the near future.
| A．whether | B．that |
| C．what | D．which |